Various GUI updates

- Add File menu, move job file to File -> Open
- Kill Quit button, move to File -> Quit
- Move client setup and load closer to what we want
- Use c99 style for client ops

Various little changes.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/client.h b/client.h
index 150d133..f5ec9a3 100644
--- a/client.h
+++ b/client.h
@@ -24,7 +24,7 @@
 	client_disk_util_op_func disk_util;
 	client_thread_status_op thread_status;
 	client_group_stats_op group_stats;
-	client_eta_op eta; 
+	client_eta_op eta;
 	client_probe_op probe;
 	client_thread_status_display_op thread_status_display;
 };